18068055488 has 56 divisors (see below), whose sum is σ = 42083260512. Its totient is φ = 7534162944.

The previous prime is 18068055463. The next prime is 18068055503. The reversal of 18068055488 is 88455086081.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528431 + ... + 561582.

Almost surely, 2^18068055488 is an apocalyptic number.

It is an amenable number.

18068055488 is an abundant number, since it is smaller than the sum of its proper divisors (24015205024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18068055488 is a wasteful number, since it uses less digits than its factorization.

18068055488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090069 (or 1090059 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 53.

The spelling of 18068055488 in words is "eighteen billion, sixty-eight million, fifty-five thousand, four hundred eighty-eight".